/**
 * APITable <https://github.com/apitable/apitable>
 * Copyright (C) 2022 APITable Ltd. <https://apitable.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import { Node } from 'slate';
import { ElementType } from '../constant';
import { EditorValue } from '../interface/editor';

export const text = (document: EditorValue) => {
  return document.reduce((res, node) => {
    if (node.isVoid) {
      if (node.type === ElementType.IMAGE) {
        return `${res}[img]`;
      }
      if (node.type === ElementType.MENTION) {
        return `${res}[@${node.data.name}]`;
      }
      if (node.type === ElementType.DIVIDER) {
        return `${res}[---]`;
      }
      return `${res}[embed]`;
    }
    return `${res}${Node.string(node)}`;
  }, '');
};
